MAX2602

PRODUCTION

3.6V, 1W RF Power Transistors for 900MHz Applications

Data Sheet (Rev. 3) Product Selection Table
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Overview

  • Low Voltage: Operates from 1 Li-Ion or 3 NiCd/NiMH Batteries
  • DC-to-Microwave Operating Range
  • 1W Output Power at 900MHz
  • On-Chip Diode for Accurate Biasing (MAX2602)
  • Low-Cost Silicon Bipolar Technology
  • Does Not Require Negative Bias or Supply Switch
  • High Efficiency: 58%

The MAX2601/MAX2602 are RF power transistors optimized for use in portable cellular and wireless equipment that operates from three NiCd/NiMH cells or one Li-Ion cell. These transistors deliver 1W of RF power from a 3.6V supply with efficiency of 58% when biased for constant-envelope applications (e.g., FM or FSK). For NADC (IS-54) operation, they deliver 29dBm with -28dBc ACPR from a 4.8V supply.

The MAX2601 is a high-performance silicon bipolar RF power transistor. The MAX2602 includes a high-performance silicon bipolar RF power transistor, and a biasing diode that matches the thermal and process characteristics of the power transistor. This diode is used to create a bias network that accurately controls the power transistor’s collector current as the temperature changes.

The MAX2601/MAX2602 can be used as the final stage in a discrete or module power amplifier. Silicon bipolar technology eliminates the need for voltage inverters and sequencing circuitry, as required by GaAsFET power amplifiers. Furthermore, a drain switch is not required to turn off the MAX2601/MAX2602. This increases operating time in two ways: it allows lower system end-of-life battery voltage, and it eliminates the wasted power from a drain-switch device.

The MAX2601/MAX2602 are available in thermally enhanced, 8-pin SO packages, which are screened to the extended temperature range (-40°C to +85°C).

Applications

  • 915MHz ISM Transmitters
  • AMPS Cellular Phones
  • CDPD Modems
  • Digital Cellular Phones
  • Land Mobile Radios
  • Microcellular GSM (Power Class 5)
  • Narrow-Band PCS (NPCS)
  • Two-Way Paging
MAX2602
3.6V, 1W RF Power Transistors for 900MHz Applications
MAX2601, MAX2602: Pin Configuration
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Documentation

Data Sheet 1

Application Note 1

Technical Articles 1

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Evaluation Kits

MAX2602EVKIT

Evaluation Kit for the MAX2601, MAX2602

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Features and Benefits

  • 1W (30dBm) Output Power at 836MHz
  • 50Ω Inputs and Outputs
  • +2.7V to +5.5V Supply Range
  • 11dB Gain at 836MHz

Product Details

The MAX2602 evaluation kit (EV kit) simplifies the evaluation of the MAX2602 1W RF power transistor for 900MHz band applications. The EV kit demonstrates the MAX2602 in a 3.6V, 836MHz, 1W (30dBm) RF power amplifier for constant-envelope applications.

The EV kit is shipped with a MAX2602, which contains an internal biasing diode. With a simple modification, the MAX2602 EV kit can be used to emulate the MAX2601, which does not have an internal biasing diode.

Applications

  • 915MHz ISM Transmitters
  • AMPS Cellular Phones
  • CDPD Modems
  • Digital Cellular Phones
  • Land Mobile Radios
  • Microcellular GSM (Power Class 5)
  • Narrow-Band PCS (NPCS)
  • Two-Way Paging
MAX2602EVKIT
Evaluation Kit for the MAX2601, MAX2602

Latest Discussions

14 Weeks Ago
Inquiry on MAX2602 for 100 MHz, 1 W Power Amplifier Design
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